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Now showing items 211-220 of 808
Reliability Improvement In Mechanical Seals - Analysis Of Design Considerations
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1985)
The differences between mechanical and shaft seal devices intended for high reliability and seals which were designed without reliability as the foremost consideration are examined and explained. Highlighted are such ...
Technical Features Of Large Vertical Concrete Volute Pumps
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1985)
A summary of the current technique of concrete volute pumps, a technique which is widely used in several countries (Germany, Great Britain, Italy, Netherlands, Portugal, South Africa, the Soviet Union and, more particularly, ...
The Prediction Of Bearing Lubricant Temperatures And Cooling Requirements For A Centrifugal Pump
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1985)
A thermal analysis of a centrifugal pump bearing frame using fundamental thermodynamic and heat transfer principles is presented. This analysis enables prediction of bearing lubricant temperatures for a wide range of ...
Pump Selection And Application In A Pressurized Water Reactor Electric Generating Plant
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1985)
Various pump applications utilized in a nuclear pressurized water reactor electric generating plant are described. Emphasis is on pumps installed in the auxiliary systems of the primary nuclear steam supply system. Hydraulic ...
Pump Specifications That Improve Mechanical Seal Performance
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1984)
As the chemical, petrochemical and petroleum refining industries continue to experience a slower growth rate than at any time in the last 10 years, emphasis on cost reduction, equipment reliability and “the wat we do our ...
Maintenance And Troubleshooting Of Single-Stage Centrifugal Pumps
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1984)
A centrifugal pump’s hydraulic performance and reliability can differ drastically from its published performance expectations. The cause of the discrepancy may involve the hydraulic features of the pump. NPSH (net positive ...
Symmetrical Seal Design: A Sealing Concept For Today
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1984)
The symmetrical seal offers a significant advancement in seal design to pump manufacturers and users it is the first alternative design to complex seal arrangements which are required to fit a stuffing box designed for ...
Improved Mechanical Seal Design Through Mathematical Modelling
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1984)
The mechanical seal manufacturer can now offer the user new seal designs quickly and efficiently, and can respond to trouble shooting requests rapidly, through the use of modern, computerized, seal design techniques. In ...
Visual Studies Of Cavitation In Pumping Machinery
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1986)
The visual study of cavitation in pumping machinery now plays an important role in its development-particularly where high stage energies are concerned. The incomplete picture provided by traditional head decay tests is ...
A Solution For Variable Speed Vertical Pump Vibration Problems
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1985)